Income and Mining Taxes - Income and Mining Tax (Expense) Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Examination [Line Items]
Income and mining tax (expense) benefit	$ (35,156)	$ (14,658)	$ (34,958)
Current Other Tax Expense (Benefit)	0	0	0
Deferred Other Tax Expense (Benefit)	0	0	0
United States
Income Tax Examination [Line Items]
Current Federal Tax Expense (Benefit)	981	(21)	25
Deferred Federal Income Tax Expense (Benefit)	305	215	(651)
United States — State mining taxes
Income Tax Examination [Line Items]
Current Federal Tax Expense (Benefit)	(7,047)	(2,936)	(5,691)
Deferred Federal Income Tax Expense (Benefit)	(1,076)	5,558	1,037
United States — Foreign withholding tax
Income Tax Examination [Line Items]
Current Federal Tax Expense (Benefit)	(119)	(300)	(862)
Canada
Income Tax Examination [Line Items]
Current Foreign Tax Expense (Benefit)	(848)	(305)	0
Deferred Foreign Income Tax Expense (Benefit)	0	254	1,224
Mexico
Income Tax Examination [Line Items]
Current Foreign Tax Expense (Benefit)	(30,222)	(29,546)	(31,175)
Deferred Foreign Income Tax Expense (Benefit)	$ 2,870	$ 12,423	$ 1,135